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Communications link failure due to underlying exception: ** BEGIN NESTED EXCEPTION ** java.io. EOFException STACKTRACE: java.io.EOFException at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1905) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket
com.mysql.jdbc.CommunicationsException: Communications link failure
due to underlying exception: ** BEGIN NESTED EXCEPTION ** java.io.
EOFException STACKTRACE: java.io.EOFException at
com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1905) at
com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2351) at
com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2862) at
com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1571) at
com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1666) at
com.mysql.jdbc.Connection.execSQL(Connection.java:2988) at
com.mysql.jdbc.Connection.execSQL(Connection.java:2917) at
com.mysql.jdbc.Statement.executeQuery(Statement.java:824)	at Brokers.ClientBroker.getClientString(ClientBroker.java:16)	at SignIn.doPost(SignIn.java:43)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:165)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:103)	at com.caucho.server.http.FilterChainServlet.doFilter(FilterChainServlet.java:96)	at com.caucho.server.http.Invocation.service(Invocation.java:315)	at com.caucho.server.http.CacheInvocation.service(CacheInvocation.java:135)	at com.caucho.server.http.RunnerRequest.handleRequest(RunnerRequest.java:346)	at com.caucho.server.http.RunnerRequest.handleConnection(RunnerRequest.java:274)	at com.caucho.server.TcpConnection.run(TcpConnection.java:139)	at java.lang.Thread.run(Thread.java:534)